12A black toner catridge used for HP Laserjet printer

Refill Toner Cartridge for HP printer
1. High quality product
2. Very competitive price
3. Fast delivery time
4. No MOQ
12A black toner catridge used for HP laser jet printer

12A suitable for use on HP 1010/1012/1015/1020/3015/3020/3030MFP/11121E
laser jet

Our products will be 100% guarantee---100% testing before delivery.

1. Erosive test: Test the PH value of the ink to make sure the ink will not be harmful to the print head.
2. Duration test to ensure ink & toner cartridges can last more than one year.
3. We guarantee the high quality, and 1:1 replacement for the defective products.
4. Adhesiveness Test: Test the adhesiveness of the ink, and warranty the durability of printouts